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1.1 ! root 1: /* ! 2: * QEMU internal VGA defines. ! 3: * ! 4: * Copyright (c) 2003-2004 Fabrice Bellard ! 5: * ! 6: * Permission is hereby granted, free of charge, to any person obtaining a copy ! 7: * of this software and associated documentation files (the "Software"), to deal ! 8: * in the Software without restriction, including without limitation the rights ! 9: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell ! 10: * copies of the Software, and to permit persons to whom the Software is ! 11: * furnished to do so, subject to the following conditions: ! 12: * ! 13: * The above copyright notice and this permission notice shall be included in ! 14: * all copies or substantial portions of the Software. ! 15: * ! 16: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR ! 17: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ! 18: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ! 19: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER ! 20: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ! 21: * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN ! 22: * THE SOFTWARE. ! 23: */ ! 24: #define MSR_COLOR_EMULATION 0x01 ! 25: #define MSR_PAGE_SELECT 0x20 ! 26: ! 27: #define ST01_V_RETRACE 0x08 ! 28: #define ST01_DISP_ENABLE 0x01 ! 29: ! 30: /* bochs VBE support */ ! 31: #define CONFIG_BOCHS_VBE ! 32: ! 33: #define VBE_DISPI_MAX_XRES 1024 ! 34: #define VBE_DISPI_MAX_YRES 768 ! 35: ! 36: #define VBE_DISPI_INDEX_ID 0x0 ! 37: #define VBE_DISPI_INDEX_XRES 0x1 ! 38: #define VBE_DISPI_INDEX_YRES 0x2 ! 39: #define VBE_DISPI_INDEX_BPP 0x3 ! 40: #define VBE_DISPI_INDEX_ENABLE 0x4 ! 41: #define VBE_DISPI_INDEX_BANK 0x5 ! 42: #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6 ! 43: #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7 ! 44: #define VBE_DISPI_INDEX_X_OFFSET 0x8 ! 45: #define VBE_DISPI_INDEX_Y_OFFSET 0x9 ! 46: #define VBE_DISPI_INDEX_NB 0xa ! 47: ! 48: #define VBE_DISPI_ID0 0xB0C0 ! 49: #define VBE_DISPI_ID1 0xB0C1 ! 50: #define VBE_DISPI_ID2 0xB0C2 ! 51: ! 52: #define VBE_DISPI_DISABLED 0x00 ! 53: #define VBE_DISPI_ENABLED 0x01 ! 54: #define VBE_DISPI_LFB_ENABLED 0x40 ! 55: #define VBE_DISPI_NOCLEARMEM 0x80 ! 56: ! 57: #define VBE_DISPI_LFB_PHYSICAL_ADDRESS 0xE0000000 ! 58: ! 59: #ifdef CONFIG_BOCHS_VBE ! 60: ! 61: #define VGA_STATE_COMMON_BOCHS_VBE \ ! 62: uint16_t vbe_index; \ ! 63: uint16_t vbe_regs[VBE_DISPI_INDEX_NB]; \ ! 64: uint32_t vbe_start_addr; \ ! 65: uint32_t vbe_line_offset; \ ! 66: uint32_t vbe_bank_mask; ! 67: ! 68: #else ! 69: ! 70: #define VGA_STATE_COMMON_BOCHS_VBE ! 71: ! 72: #endif /* !CONFIG_BOCHS_VBE */ ! 73: ! 74: #define CH_ATTR_SIZE (160 * 100) ! 75: #define VGA_MAX_HEIGHT 1024 ! 76: ! 77: #define VGA_STATE_COMMON \ ! 78: uint8_t *vram_ptr; \ ! 79: unsigned long vram_offset; \ ! 80: unsigned int vram_size; \ ! 81: unsigned long bios_offset; \ ! 82: unsigned int bios_size; \ ! 83: uint32_t latch; \ ! 84: uint8_t sr_index; \ ! 85: uint8_t sr[256]; \ ! 86: uint8_t gr_index; \ ! 87: uint8_t gr[256]; \ ! 88: uint8_t ar_index; \ ! 89: uint8_t ar[21]; \ ! 90: int ar_flip_flop; \ ! 91: uint8_t cr_index; \ ! 92: uint8_t cr[256]; /* CRT registers */ \ ! 93: uint8_t msr; /* Misc Output Register */ \ ! 94: uint8_t fcr; /* Feature Control Register */ \ ! 95: uint8_t st00; /* status 0 */ \ ! 96: uint8_t st01; /* status 1 */ \ ! 97: uint8_t dac_state; \ ! 98: uint8_t dac_sub_index; \ ! 99: uint8_t dac_read_index; \ ! 100: uint8_t dac_write_index; \ ! 101: uint8_t dac_cache[3]; /* used when writing */ \ ! 102: uint8_t palette[768]; \ ! 103: int32_t bank_offset; \ ! 104: int (*get_bpp)(struct VGAState *s); \ ! 105: void (*get_offsets)(struct VGAState *s, \ ! 106: uint32_t *pline_offset, \ ! 107: uint32_t *pstart_addr); \ ! 108: void (*get_resolution)(struct VGAState *s, \ ! 109: int *pwidth, \ ! 110: int *pheight); \ ! 111: VGA_STATE_COMMON_BOCHS_VBE \ ! 112: /* display refresh support */ \ ! 113: DisplayState *ds; \ ! 114: uint32_t font_offsets[2]; \ ! 115: int graphic_mode; \ ! 116: uint8_t shift_control; \ ! 117: uint8_t double_scan; \ ! 118: uint32_t line_offset; \ ! 119: uint32_t line_compare; \ ! 120: uint32_t start_addr; \ ! 121: uint32_t plane_updated; \ ! 122: uint8_t last_cw, last_ch; \ ! 123: uint32_t last_width, last_height; /* in chars or pixels */ \ ! 124: uint32_t last_scr_width, last_scr_height; /* in pixels */ \ ! 125: uint8_t cursor_start, cursor_end; \ ! 126: uint32_t cursor_offset; \ ! 127: unsigned int (*rgb_to_pixel)(unsigned int r, \ ! 128: unsigned int g, unsigned b); \ ! 129: /* hardware mouse cursor support */ \ ! 130: uint32_t invalidated_y_table[VGA_MAX_HEIGHT / 32]; \ ! 131: void (*cursor_invalidate)(struct VGAState *s); \ ! 132: void (*cursor_draw_line)(struct VGAState *s, uint8_t *d, int y); \ ! 133: /* tell for each page if it has been updated since the last time */ \ ! 134: uint32_t last_palette[256]; \ ! 135: uint32_t last_ch_attr[CH_ATTR_SIZE]; /* XXX: make it dynamic */ ! 136: ! 137: ! 138: typedef struct VGAState { ! 139: VGA_STATE_COMMON ! 140: } VGAState; ! 141: ! 142: static inline int c6_to_8(int v) ! 143: { ! 144: int b; ! 145: v &= 0x3f; ! 146: b = v & 1; ! 147: return (v << 2) | (b << 1) | b; ! 148: } ! 149: ! 150: void vga_common_init(VGAState *s, DisplayState *ds, uint8_t *vga_ram_base, ! 151: unsigned long vga_ram_offset, int vga_ram_size); ! 152: uint32_t vga_mem_readb(void *opaque, target_phys_addr_t addr); ! 153: void vga_mem_writeb(void *opaque, target_phys_addr_t addr, uint32_t val); ! 154: void vga_invalidate_scanlines(VGAState *s, int y1, int y2); ! 155: ! 156: void vga_draw_cursor_line_8(uint8_t *d1, const uint8_t *src1, ! 157: int poffset, int w, ! 158: unsigned int color0, unsigned int color1, ! 159: unsigned int color_xor); ! 160: void vga_draw_cursor_line_16(uint8_t *d1, const uint8_t *src1, ! 161: int poffset, int w, ! 162: unsigned int color0, unsigned int color1, ! 163: unsigned int color_xor); ! 164: void vga_draw_cursor_line_32(uint8_t *d1, const uint8_t *src1, ! 165: int poffset, int w, ! 166: unsigned int color0, unsigned int color1, ! 167: unsigned int color_xor); ! 168: ! 169: extern const uint8_t sr_mask[8]; ! 170: extern const uint8_t gr_mask[16];
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